Vacuum cleaner



FIG. 1 is a frontal perspective view of the vacuum cleaner showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a rear perspective view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a front perspective view of the vacuum cleaner of FIG. 1 wherein the handle thereof is folded; and,

FIG. 9 is a rear perspective view of the vacuum cleaner of FIG. 1 wherein the handle thereof is folded.

The bottom plan view forms no part of the claimed design. 

The ornamental design for a vacuum cleaner, as shown and described. 